CN218229396U

CN218229396U - Structure for reducing efficiency reduction of folding paddle

Info

Publication number: CN218229396U
Application number: CN202222131837.2U
Authority: CN
Inventors: 吴沂鸿
Original assignee: Kunshan Apek Automation Equipment Co ltd
Current assignee: Kunshan Apek Automation Equipment Co ltd
Priority date: 2022-08-12
Filing date: 2022-08-12
Publication date: 2023-01-06
Anticipated expiration: 2032-08-12

Abstract

The utility model relates to a structure for reducing the efficiency reduction of folding paddles, which comprises a locking block, an upper paddle clamp, a lower paddle clamp, a positioning pin, a movable shaft and a fixed shaft, wherein the lower paddle clamp is connected with the rotating shaft of a motor through the fixed shaft; first fixed orifices has been seted up on the locking block, goes up the oar and presss from both sides and has seted up the second fixed orifices, has seted up the third fixed orifices on the paddle, and the fourth fixed orifices has been seted up to lower oar clamp, and the loose axle passes first fixed orifices, second fixed orifices and third fixed orifices in proper order, and the lower extreme of loose axle is partial at least to be located fourth fixed orifices, paddle and loose axle rotatable coupling. The utility model has the advantages that: the folding paddle can keep the convenient function of the folding paddle, and the output power can reach the efficiency of fixing the paddle without reducing the efficiency.

Description

Structure for reducing efficiency reduction of folding paddle

Technical Field

The utility model relates to an unmanned air vehicle technique field, specific is a structure that reduces folding oar efficiency and reduce.

Background

Unmanned aerial vehicle motor paddle roughly divide into two types: the fixed blades occupy large space and are inconvenient to store, but the power efficiency is high; the folding paddle is ideal, saves space after being folded, is convenient to store, but the power efficiency can be partially lost.

However, the common folding paddle is opened by the centrifugal force of the rotation of the motor, and the paddle can not be kept in a fully opened state due to the inertia effect of acceleration and deceleration of the motor, so that the loss of power efficiency is caused.

Disclosure of Invention

In order to overcome at least partial defect among the prior art, the utility model provides a reduce structure that folding oar efficiency reduces can keep the convenient function of folding oar, can make output power can reach the efficiency of fixed paddle again, can not reduce efficiency.

The utility model relates to a structure for reducing efficiency reduction of folding paddles, which comprises a locking block, an upper paddle clamp, a lower paddle clamp, a positioning pin, a movable shaft and a fixed shaft, wherein the lower paddle clamp is connected with a rotating shaft of a motor through the fixed shaft;

the locking piece is provided with a first fixing hole, the upper paddle clamp is provided with a second fixing hole, the paddle is provided with a third fixing hole, the lower paddle clamp is provided with a fourth fixing hole, the movable shaft sequentially penetrates through the first fixing hole, the second fixing hole and the third fixing hole, at least part of the lower end of the movable shaft is located in the fourth fixing hole, and the paddle is rotatably connected with the movable shaft.

Furthermore, a guide shaft is connected to the center of the locking block, the guide shaft penetrates through a guide hole formed in the center of the upper paddle clamp, a linear spring is sleeved on the guide shaft, and the lower end of the linear spring is in contact with a stop block connected to the lower end of the guide shaft.

Further, be provided with the installation cover in the guiding hole, the installation cover connect with go up the oar and press from both sides and connect, the installation cover to the axis extension of guiding hole is formed with the part that blocks, linear spring passes the inner chamber of guiding hole and installation cover and in the contact of part that blocks.

Furthermore, the quantity of fixed axle is 4, 4 the fixed axle encircles and passes down the guiding axle setting of oar clamp, the lower extreme of guiding axle stretches out down the oar clamp.

Furthermore, the quantity of paddle is 2, 2 the paddle is respectively rotatable with the difference the loose axle is connected, the loose axle with the quantity of locating pin is 2, 2 the locating pin is followed go up the axis symmetry setting that the oar pressed from both sides, 2 the loose axle is followed go up the axis that the oar pressed from both sides and is corresponded the setting, the locating pin is located the outside of loose axle.

The utility model discloses an useful part lies in: the lower paddle clamp is fixed by a fixed shaft and a rotating shaft of a motor, the movable shaft connects the paddle with the upper paddle clamp and the lower paddle clamp, and the paddle can be folded and unfolded through the movable shaft;

go up the oar and press from both sides the middle linear spring of installing of locking block of top, when the paddle needs to be folded, with the hand with the locking block pull-up, locating pin and paddle separation, the paddle can freely adjust the activity, when the paddle needs to be opened fixedly, utilizes linear spring to push down the effect, fixes locking block and last oar clamp, the fixed paddle of locating pin does not shift and rocks, remains the paddle open mode throughout during the flight, avoids because of the efficiency loss that the extension is incomplete to bring.

In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic view of the overall structure of a structure for reducing the reduction in the efficiency of a folded paddle.

Fig. 2 is a top view of fig. 1.

Fig. 3 is a schematic view of the attachment structure of the blade.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The utility model discloses a structure that reduces folding oar performance reduction in a preferred embodiment, including locking block 1, upper oar clamp 2, lower oar clamp 3, locating pin 4, loose axle 5 and fixed axle 6, lower oar clamp 3 passes through the axis of rotation of fixed axle 6 with the motor and is connected, the fixed axle 6 upper end passes the locating hole of seting up in upper oar clamp 2, locking block 1 sets up in the upper oar clamp 2 top, locating pin 4 connects the below of locking block 1, upper oar clamp 2 has seted up locating hole 21, locating pin 4 passes the trompil on locating hole 21 and paddle 7;

first fixed orifices 11 have been seted up on the locking piece 1, go up oar clamp 2 and seted up second fixed orifices 22, third fixed orifices 71 has been seted up on the paddle 7, fourth fixed orifices 31 has been seted up to oar clamp 3 down, loose axle 6 passes first fixed orifices 11, second fixed orifices 22 and third fixed orifices 71 in proper order, the lower extreme of loose axle 6 is at least partly located fourth fixed orifices 31, paddle 7 with loose axle 6 rotatable coupling.

In the above embodiment, the center of the locking block 1 is connected with a guide shaft 8, the guide shaft 8 passes through a guide hole 23 formed in the center of the upper blade clamp 2, the guide shaft 8 is sleeved with a linear spring 9, and the lower end of the linear spring 9 contacts with a stop block 81 connected to the lower end of the guide shaft 8.

In the above embodiment, a mounting sleeve 231 is disposed in the guide hole 23, the mounting sleeve 231 is connected to the upper paddle clamp 2, the mounting sleeve 231 extends toward a central axis of the guide hole 23 to form a blocking portion 232, and the linear spring 9 passes through the guide hole 23 and an inner cavity of the mounting sleeve 231 and contacts the blocking portion 232.

In the above embodiment, the number of the fixing shafts 6 is 4, 4 fixing shafts 6 are arranged around the guide shaft 8 penetrating through the lower blade holder 3, and the lower end of the guide shaft 8 extends out of the lower blade holder 3.

In the above embodiment, the number of the paddles 7 is 2, 2 paddles 7 are respectively connected to different movable shafts 5 in a rotatable manner, the number of the movable shafts 5 and the number of the positioning pins 4 are 2, 2 positioning pins 4 are symmetrically arranged along the central axis of the

upper paddle clamp

2, 2 movable shafts 5 are correspondingly arranged along the central axis of the upper paddle clamp 2, and the positioning pins 4 are located at the outer side of the movable shafts 5.

The lower paddle clamp 3 is fixed with a rotating shaft of a motor through a fixed shaft 6, the movable shaft 5 connects the paddle 7 with the upper paddle clamp 2 and the lower paddle clamp 3, and the paddle 7 can be folded and unfolded through the movable shaft 5; go up and install linear spring 9 in the middle of the locking block 1 of oar clamp 3 top, when 7 needs folding paddles, pull up locking block 1 with the hand, locating pin 4 separates with 7 paddles, 7 paddles can freely adjust the activity, when 7 paddles need be opened fixedly, utilize linear spring 9 to push down the effect, it is fixed to press from both sides 2 with last oar with

locking block

1, 4 fixed paddle of locating pin 7 do not shift and rock, it opens the state to remain the paddle during flight all the time, avoid because of the incomplete energy efficiency loss that brings of extension.

The present invention has been explained by using specific embodiments, and the explanation of the above embodiments is only used to help understand the method and the core idea of the present invention; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the specific implementation and application scope, to sum up, the content of the present specification should not be understood as the limitation of the present invention.

Claims

1. A structure for reducing the reduction in efficiency of a folding paddle, comprising: the lower paddle clamp is connected with a rotating shaft of a motor through the fixed shaft, the upper end of the fixed shaft penetrates through a positioning hole formed in the upper paddle clamp, the locking block is arranged above the upper paddle clamp, the positioning pin is connected below the locking block, the upper paddle clamp is provided with a positioning hole, and the positioning pin penetrates through the positioning hole and an opening hole in a paddle;

2. The structure for reducing the decrease in efficiency of a folding paddle of claim 1, wherein: the center position of locking piece is connected with the guiding axle, the guiding axle passes to be seted up the guiding hole that the center position of going up the oar pressed from both sides, the last linear spring that has cup jointed of guiding axle, linear spring lower extreme with connect in the dog contact of guiding axle lower extreme.

3. The structure for reducing the decrease in efficiency of a folding paddle of claim 2, wherein: the utility model discloses a propeller installation device, including guiding hole, installation cover, oar clamp, linear spring, guide hole and installation cover, be provided with the installation cover in the guiding hole, the installation cover connect with go up the oar and press from both sides the connection, the installation cover to the axis extension of guiding hole is formed with the stop part, linear spring passes the inner chamber of guiding hole and installation cover and in the contact of stop part.

4. The structure for reducing the decrease in efficiency of a folding paddle of claim 3 wherein: the quantity of fixed axle is 4, 4 the fixed axle encircles and passes down the guiding axle setting of oar clamp, the lower extreme of guiding axle stretches out down the oar clamp.

5. The structure for reducing the decrease in efficiency of a folding paddle of claim 4 wherein: the quantity of paddle is 2, 2 the paddle is rotatable respectively with the difference the loose axle is connected, the loose axle with the quantity of locating pin is 2, 2 the locating pin is followed go up the axis symmetry setting that the oar pressed from both sides, 2 the loose axle is followed go up the axis that the oar pressed from both sides and correspond the setting, the locating pin is located the outside of loose axle.